Match each organ or function with its body system.
skin
excretes waste
nails
kidn...
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Biology, 21.06.2019 18:40
The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?
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Biology, 21.06.2019 21:10
Complete the possible outcomes for each generation in the pedigree chartaa aa aa
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Biology, 22.06.2019 10:30
Natural selection changes allele frequencies because some survive and reproduce more successfully than others.
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